Asone/awesome-nostr

"nostr" stands for "Notes and Other Stuff Transmitted by Relays" and is an open protocol for censorship-resistant global networks created by @fiatjaf.

Protocol

NIPs - the "Nostr Implementation Possibilities" describe the protocol in technical detail
nostr address book - A directory of twitter users accounts and their NOSTR addresses
nostr, a basic tour - an intro to nostr
Nostr: Solucionando la censura de una vez por todas
nostr.guide - A guide to all things nostr
nostr.how - A comprehensive non-technical beginners guide to Nostr. Available in several languages.
nostr - overview and FAQ
tinkering with nostr without any client
UseNostr - A small guide for anyone who wants to learn more about how nostr works and what it can do.

Relays

Relays are (so far) application agnostic. You can run your own or use any or all of the public instances.

Implementations

Astro – Elixir based implementation built to be performant and highly distributed.
Denostr - Deno based, cloud native nostr implemention support by ByteTrade and Revo.
Ephemerelay - An in-memory Nostr relay that doesn't store data.
gnost-relay - nostr relay written in go backed by postgresql database.
knostr – a nostr relay implemented in Kotlin with support for Postgres and metrics(micrometer).
me.untethr.nostr-relay - a relay written in Clojure
Minds Nostr Relay - a relay for Minds, an open-source social network
- Minds Engine - Nostr - relevant Minds API code for reading/writing Minds posts using Nostr
monstr- python code for working with nostr
multiplextr — A custom relay designed to save bandwidth for clients with multiplextr support.
Nex - A powerful and scalable Nostr relay written in Elixir with Postgres DB.
NNostr - a C# relay
nostr_relay – a nostr relay written in python, backed by SQLite
nostr-relay-nestjs - A Nostr relay implemented using the NestJS framework
nostr-rs-relay - a minimalistic relay written in Rust that saves data on SQLite
nostream - a nostr relay written in Typescript backed by PostgreSQL (renamed from nostr-ts-relay)
nostring - A Nostr relay written in Deno.
NostrPostr Relay - a Kotlin Relay supporting both SQLite and Postgresql
nostrpy - relay, client, and other tooling in python (No longer being developed.)
PyRelay – a python implementation of a nostr relay, using asyncio.
Relayer Basic - a simple relay based on relayer backed by Postgres
Servus - A self-contained, single executable, CMS / blogging engine reminiscent of Jekyll which also acts as a personal Nostr relay for your blog posts. Written in Rust.
søstr – a private nostr relay written in rust, saves all notes from one pubkey and publish them to anyone that requests them
sovereign-stack - a tool that helps you deploy nostr relays and create self-hosted (bitcoin-only) Value4Value websites.
strfry – C++ implementation backed by LMDB with efficient syncing of events using merkle trees
Notra - F# implementation backed by SQLite database.
Nerostr - A Nostr expensive relay paid with Monero and written in Go
Nostr client and relay - A Nostr protocol implementation of a client and relay in C++

Instances

Instances are plenty and their availability may vary but these projects track them:

nostr relay registry - real-time checking of status of some known relays
nostr.info - real-time checking of status of some known relays
nostr.watch - real-time checking of status of some known relays

Clients

algia-web - A small resource consumption oriented Nostr web client
Agora - Follow your favorite topics in the Nostr-verse (and even posts from Mastodon, Reddit, Bluesky, and Twitter)
algia - A cli application for nostr.
Amethyst - An Android client for nostr written in Kotlin
ArcadeCity - Public group chats and P2P services (WIP) over nostr
Astral - a branle fork with global feed and UI makeover
- Astral on TOR
- astral.ninja
- client.nostr.guide
Attached - Open-Source ReactNative Expo app for Nostr (iOS, Android). Currently under app stores review
Bija - A desktop client written in python. Currently Linux only
Blockcore Notes - Progressive Web App that can be installed on mobile and desktop, organize following in circles and have both public and private following lists. Dynamic interface for different uses, such as optimized for photograph viewing
- notes.blockcore.net
blogstack.io - Blogging site for nostr, supports markdown
Blowater - A desktop Web client focusing on chat with delightful UX
bolt.fun - A bitcoin lightning makers community that supports reading and creating comments using Nostr
coracle - A nostr web client
Daisy - Mobile client for Android and iOS
- testflight + android builds
damus - a twitter-like nostr client for iOS and MacOS
- damus on testflight
Disgus - A comment widget like Disqus, but for Nostr.
dispute - A cross-platform (Linux, Android, iOS, MacOs, Windows and Web) client for NOSTR
electron-nostr - A bare-bones desktop nostr client using electron-react-boilerplate. Goal is to be an easy template for people to experiment with different ideas on decentralized ratings, reputation, and web of trust
emon - Encrypted DMs over nostr with lightning payments integrated (WIP).
- emon.chat
Flycat - A 2000s old-school style web client which support blogging on Nostr
futr - nostr client desktop app written in Haskell
gnost-deflate-client CLI nostr client written in go implementing permessage-deflate websocket compression.
gossip - A desktop client in rust presented with egui
Hamstr - A twitter-style web client built with Vue.js
- hamstr.to
iris - A nostr web client
- iris.to - live instance
- Android app
Jester - Chess over nostr
- Jester instance
Lightning.Pub - A nostr daemon for Lightning nodes
loquaz - a desktop app written in Rust for direct encrypted chat
Member - Progressive Web App Client. Works on desktop and mobile.
- member.cash - live instance
MeShell - Web, iOS and Android blog type client destined to publish articles and researches for independent journalists.
- MeShell.io - Landing page for more information
Minds - open source social network. Supports reading and creating posts using the Nostr protocol
more-speech - desktop client for nostr written in Clojure
nblog - a self-host nostr ghost blog
Nos - A UX focused iOS / MacOS app written in swift based on planetary.social
- nos.social
nosbin - pastebin over nostr
noscl - a basic command-line client written in Go
Nosky - A native Android client for Nostr. Still in development
NostrChat.io - NostrChat is a chat app where you can have group chats, DM, threads, and emojis.
nostr console - a nostr command line client written in Dart. Binaries available for Windows, Linux, and MacOS
Nostr Nests - Nostr Nests is an audio space for chatting, brainstorming, debating, jamming, micro-conferences and more.
nostr-chat-widget-react - A React component that provides a live-chat widget over nostr that can be embedded into any website.
NostrEmitter - Simple E2E encrypted client and EventEmitter object
Nostribe.com - Nostr client web app built with Next.js 13 and TypeScript.
- Nostribe.com - Live instance.
Nostrid - Multi-platform client currently offering binaries for Android, Windows, MacOS and Linux.
- Nostrid.Web - Web version running completely on the browser. It can be installed locally as PWA.
nostromat - A Twitter-style Nostr web client, written in Clojurescript/React
- nostrom.at - live instance
Nostros - A nostr mobile client for Android
Nostrtium - Post to Nostr directly from within WordPress
nostrweb - another nostr web client in vanilla JS
- nostr.ch - live instance
notebin.org - Nostr UI created with NextJS, support for markdown and code highlighting
Noteon - Yet another nostr client focused on private chat and group chat with a simple, elegant and secure interface.
- nostr.noteon.io
Nozzle - A Twitter-like native Android client written with Jetpack Compose
OstrichGram - OstrichGram is a Telegram style desktop app for Linux and Windows featuring group chats and DMs.
ourChan.org Anonymous imageboard on nostr, from a fork of 4Chan.org
Pinstr - Pinstr is a decentralized and open-source social network for curating and sharing your interests with the world.
- Pinstr.app - live instance
Pretty Good Apps - A desktop nostr client for linux, mac and windows with a focus on decentralized reputation and web of trust. First application: crowdsourced decentralized list curation.
Primal - Lightning fast web client for Nostr. Features extensive analytics, vanity profiles and more.
Pollstr - A nostr web client with a focus on polls.
- pollstr.online - live instance
Satellite - Nostr web client with Reddit-style threads
- satellite.earth - live instance
scalastr - A barebones nostr client written in scala
second exchange - an experiment to work out something of like medium, something of creator economy where users are rewarded for engaging in quality discussion and most importantly engaging in governance-related discussion
Sendstr - shared clipboard between devices over nostr
shockwallet - A Lightning wallet that uses nostr and lnurl to connect to nodes
Snort - Nostr UI written in react
- snort.social
Stackerstan - A decentralised organisation built on Bitcoin and Nostr, implemented as a replicated state machine in Golang
Tamga - An offline first nostr contact & profile manager for iOS!
uBlog - A minimalist blog on nostr that allows anyone to easily create their own personal micro-blog.
- u-blog.vercel.app
Votestr - Poll web app with nostr authentication and blind signature unlinkability
Written Self hosted blog using nostr long-form content (NIP-23) and it shows only posts by selected authors.
- Demo
yakihonne.com - YakiHonne is a censorship-resistant content media protocol, which supports free curation, creation, publishing, and reporting by various media.
zapddit - Reddit-style client for nostr where you can follow topics (similar to subreddits), mute certain topics (like #bitcoin), upzap and downzap notes using your hard-earned sats.

Client reviews and/or comparisons

Feature comparison list of Nostr clients

Libraries

arduino-nostr - An Arduino nostr library.
dart_nostr - A developer experience Dart library for Nostr
dart-nostr - a Dart library for Flutter
go-nostr - a Go library that implements relay management, plus event encoding and signing utils
nmostr - a Nim library for Nostr
NNostr.Client - a C# Nostr library for use by clients
nostr_rust - Functional Rust implementation of the nostr protocol
nostr-bot - a Rust library for writing bots
nostr-connect - Nostr Connect SDK for TypeScript is a library that allows you to easily integrate Nostr Connect into your web application
nostr-deno - a client library for Deno javascript runtime.
nostr-java - A nostr client library, written in java, for generating, signing and publishing events.
nostr-js - a javascript implementation of the nostr protocol
nostr-hooks - React hooks for developing Nostr clients. It's simple and intelligent.
nostr-php - a PHP library for nostr
nostr-react - React Hooks for Nostr
nostr-relay-inspector - A library that returns useful information about relays based on nostr-js
nostr-relaypool-ts - a TypeScript relay pool library on top of nostr-tools that simplifies handling subscriptions to multiple servers
nostr-ruby - a Ruby implementation of the nostr protocol
nostr-tools - a JavaScript client that abstracts the relay management code for use by clients
nostr-types - a rust library defining types useful for the nostr protocol
nostr:
- nostr: Rust implementation of Nostr protocol.
- nostr-sdk: High level client library.
- bindings: UniFFI (Kotlin, Swift, Python, Ruby) bindings
nostr - a Ruby Nostr gem for use by clients
NostrKit - a Swift library for interacting with relays
NostrPostr - a Kotlin Nostr library for clients or relays
paravel — an abstract toolkit for writing nostr clients.
pynostr - a python library for nostr
python-nostr - a python library for making clients
relayer - a server framework for writing custom relays
schorr_snap - A snap plugin for Metamask Flask, supports nostr
Nostra - a F# library, available as a nuget package, for interacting with relays. The Nostra relay is built on top of it too.

Bridges and Gateways

matrix-nostr-bridge a simple Matrix-to-Nostr or Nostr-to-Matrix bridge
Mostr - a bridge between Nostr and the Fediverse (Mastodon, ActivityPub, etc.)
rsslay - fork of the rsslay by @fiatjaf. a bridge that puts RSS feeds into Nostr optimized, more funcionalities and UI improvements. Live at rsslay.nostr.moe
smtp nostr gateway - a bridge that forwards emails to pubkeys as encrypted direct messages

Sure, here's the list sorted alphabetically while maintaining the markdown syntax:

matrix-nostr-bridgestars - a simple Matrix-to-Nostr or Nostr-to-Matrix bridge Mostrstars - a bridge between Nostr and the Fediverse (Mastodon, ActivityPub, etc.) rsslaystars - fork of the rsslay by @fiatjaf. a bridge that puts RSS feeds into Nostr optimized, more funcionalities and UI improvements. Live at rsslay.nostr.moe smtp nostr gateway stars - a bridge that forwards emails to pubkeys as encrypted direct messages

Cache services

Primal - Caching service for Nostr connects to the specified set of relays, collects all events in real time, stores them locally, and makes them available to nostr clients through a web socket-based API.

Tools

anonroom - anonymous chat room inside nostr
blastr - A nostr cloudflare workers proxy relay that publishes to all known relays.
blogsync - Self-host blog articles from long-form notes e.g. via Caddy server.
git-nostr-tools - A cli tool for sending code patches over nostr
git-nostr - A tool to enhance git cli with nostr communications. Publish patch content, prs, repo name, issues, etc to nostr relay.
heyxynip5 - A CLI helper for converting nostr npub/nsec to their hex format for NIP-05 verification.
homebrew-nostr - Homebrew tap for Nostr software.
http-nostr-publisher - A Cloudflare worker to publish Nostr events to relays through a non-blocking HTTP interface .
keystr-rs - An application for managing Nostr keys. Written in Rust, with simple UI (Iced).
lnpass - A key manager for Lightning and nostr.
nashboard - a Nostr network dashboard with network statistics, reachable here
ndxstr - nostr's layer 2 indexing nodes, with more advanced querying capability than currently supported by relays
nip06-cli - a Node.js CLI to generate or restore NIP-06 seed phrases
nip06-web - a website to generate or restore NIP-06 seed phrases
- nip06.jaonoct.us - by jaonoctus
nkcli - A CLI tool for nostr key manage and serve NIP-46.
nos2x - nostr signer extension - a browser extension for signing events on 3rd party site without sharing your private keys with them
nostcat - cat-like nostr client for scripting and debugging written in Rust
NostrAirTracker) - Elonjet on Nostr
nostr army knife - nostr army knife by fiatjaf
nostr GitHub Action - send events from GitHub Actions
nostr registry - a database of known relays with their uptime and NIP support tables
NostrReply - Bot that replies to specified text on nostr global feed using NIP50
nostr_simple_publish- Drupal module to publish content to Nostr.
nostr-broadcast This tool lets you take your events from some relays and broadcast them to another relay. Could be helpful for backing up your notes to a private relay.
nostr-bulk-dms - A tool that allows you to send DMs over nostr to many recipients in bulk.
nostr-cln-events - A CLN plugin to push clightning node events to nostr
nostr-commander - simple but convenient CLI-based Nostr app for following users, sending DMs, etc.
nostr-follow-bundler This tool lets you create lists of profiles that other users can then see and follow themselves.
nostr-fzf - Nostr Directory; a tool for searching usernames and channels
nostr-launch - a tool for launching a bunch of relays and clients locally for development and testing
nostr-notify - desktop nostr notifications using libnotify
nostr-proxy - Push and get events to your Proxy, get results from multiple Nostr relays.
nostr-rs-relay-compose - a Docker compose deployment for nostr-rs-relay with SSL support based on Traefik
nostr-spam-detection - An experiment in building a machine learning model to label Nostr spam content for filtering and relay rejection.
nostr-terminal - SSH-like access to your machine via web terminal, powered by Nostr.
nostr-tool - Rust CLI tool to generate and publish events
nostr-wtf - A set of nostr tools available and deployed on a web app including a pubkey converter and relay query tool.
nostr.directory - searchable database of nostr users and their other social media links.
nostr.guru - a nostr web gateway for viewing events by their ID
nostr.io - network statistics with last published notes, top 50 publishers, and top 50 followed users
nostr.rest - Mine proof of work public keys with user specified prefixes
nostrandom.netlify.app - generate publish-able Nostr event with random keys
nostrefresh - simple refresh function for nostr web pages
nostrends - Trending on Nostr, like Twitter trends. Live at nostrends.vercel.app.
nostreq - Nostr relay event request generator
NostrFlu - A tool to collect and resend following lists from relays. You can also check badges.
nostrich.fun - A feature-rich directory of nostr projects. A fork of LightningNetworkStores.com
nostrify - A Core Lightning plugin that sends events (forwards, connect, disconnect, etc.) to nostr.
nostril - C cli tool for creating nostr events
nostrillery - a tool for running performance tests against Nostr relays
NostrSwap - NostrSwap is a fully decentralized exchange built on Nostr Protocol.
nostrview - A nostr search engine. Search by content, tags, events or pub keys.
powrelay.xyz - A proof of work based nostr explorer.
rss.nostr.band - Create custom RSS feeds with posts matching your keywords and consume using your favorite RSS reader.
sb.nostr.band - Search bots that you can create and follow to receive new posts matching a keyword right into your feed.
secret-border - A safe Nostr identity generator.
strfry policies - A collection of moderation & antispam policies for the strfry relay developed in TypeScript/Deno.
Spamster - Spamster is for testing relays and spam filters.
tostr - a twitter to nostr bot
Embed widget - Embed Nostr notes or profiles into any website with just a line of code.

NIP-05 identity services

bitcoiner.chat - A free NIP-05 ID registration service.
getalby.com - Lightning wallet with NIP-05 ID registration service.
iris.to — A Nostr client that provides a free NIP-05 ID
nanostr A NIP-05 name server written in Deno.
nip05.social - A free and anonymous NIP-05 ID registration service
nostr-relay.org - A NIP-05 ID registration service
zaps.lol - A free and open source NIP-05 ID registration service. Run your own.
easyNostr - NIP-05 ID provider: Use your own domain, or one of ours: nostr.ly, mynostr.io, easyNostr.com.
easyNostr-NIP05 WordPress plugin to enable your site as a NIP-05 endpoint for every registered user on your system using your own domain.
nostrcheck.me - A NIP-05 ID registration service.
nostrplebs - A NIP-05 ID registration service.
nostrprotocol.net - A free NIP-05 identifier service.
plebs.place - A NIP-05 ID registration service (in portuguese).
pleroma2nip05 - A Python based service to link pleroma ID's to nostr keys.
younostr.com - A NIP-05 ID registration service (in portuguese).
onlyzaps.club - A free, open-source and anonymous NIP-05 ID registration service for all
nip05.nostr.band - A NIP-05 ID registration service.

Offline signer

keechain - Bitcoin application to transform your offline computer in an AirGap Signing Device (aka Hardware Wallet) with support to NIP-06 and NIP-26.
nostr-signing-device - Signing device for Nostr built on ESP32
nostrum - Nostrum it's a mobile app that allows you to sign transactions and messages with your Nostr keys. Nostrum is the reference implementation for a remote signer app (ie. Wallet) of the Nostr Connect protocol.

Vanity pubkey mining

glasnostr - CLI tool to mine a vanity prefix for your nostr npub
go-pubmine - Multithreading nostr keypair generator which gives pretty (vanity) public keys. Both cli and web app are available.
key-generator - A simple tool to generate nostr keypair.
nostr-pubminer - A simple tool to mine nostr vanity pubkeys
nostr-vanity-address-generator - Cross-platform nostr vanity address generator
nostrogen - simple web based nostr vanity address generator
powpub - A decentralized protocol to buy Nostr vanity pubkeys or sell hashrate
- WebLN demo - Simple web demo where clients can pay with WebLN
rana - Vanity pubkey miner based on nip13

Browser extensions

Allow you to sign Nostr events on web-apps without having to give them your keys

Alby - Bitcoin Lightning app with nostr support
Aka Profile - Nostr Signing Extension for Chrome supporting multiple key pairs based on nos2x.
Blockcore - Multi wallet browser extension with nostr support
Flamingo - Nostr browser extension with a focus on UX
nos2x - Nostr Signer Extension
Nostore - Nostr Signer Extension for iOS/macOS Safari
nostr-keyx - A NIP-07 browser extension that uses the OS's keychain or YubiKey to protect your private keys.
TokenPocket - Multi wallet browser extension with nostr support. https://tokenpocket.pro
wen - browser extension for website enhancer with nostr
Signum XT Wallet - Metamask-like browser extension for Signum blockchain with full NIP07 support and multi-account management

NIP-57 Zaps compatible wallets and solutions

Alby - Bitcoin Lightning app with nostr support
Blink - Blink (ex Bitcoin Beach Wallet)
btcpayserver - btcpayserver has NIP-57 support for LN addresses since 1.9 version
Current - nostr client + lightning wallet
LightningTipBot - A tip bot and Bitcoin Lightning wallet on Telegram
nostdress - Lightning addresses server based on satdress. Adapted to work with Nostr features (NIP05, NIP57)
Wallet of Satoshi - Custodial lightning wallet
Zebedee app - Zebedee's wallet/lightning app
ZeusLN - A mobile Bitcoin/Lightning app for LND, Core Lightning, and Eclair node operators

Community

Outside of nostr itself, you find the community on:

nostr CN/chinese telegram group - a chinese telegram group for nostr
nostr discord - a discord server for nostr enthusiasts and developers
nostr español/spanish telegram group - a spanish telegram group for nostr
nostr francophone/french telegram group - a french telegram group for nostr
nostr hk - Connecting everyone who is interested in nostr in HK so we can meet up and have fun
nostr reddit - a subreddit for nostr related discussion
nostr telegram group - a telegram group for nostr protocol discussion
nostr RU/UA/BY telegram group - an eastern european community in telegram group for nostr

Tutorials

How to set up a paid nostr relay
How to: Run your own nostr relay (nostr-rs-relay, Caddy, no Docker)
Nostr Newcomers Most Common Questions and Answers
nostr workshop with super testnet
Set up a nostr relay server in under 5 minutes
Step-by-Step guide to set up a relay on your server (AWS, DigitalOcean, RaspBerry... )
strfry personal relay - 10 minute setup of a personal nostr relay on a vanilla Linux VPS. Adds support for NIP-65.

Deprecated

alphaama.com - is under maintenance as of late 2022.
anigma.io - has known xss attack vulnerabilities, which can put private key at risk, or risk signing events you may not want to send.
branle - a Twitter-like client that was discontinued but lives on in its fork "Astral".
nvote - it does server side processing, and even private key is handled server side, and as such is deprecated for normal use.
rsslay - a bridge that puts RSS feeds into Nostr
Listr - A Nostr Web Client for Making Lists. deprecated due to the development of a superior replacement: https://pinstr.app
expensive relay - a relay that requires payment for registration
nodestr - a Node.js implementation
nostr-rs - a Rust implementation of the nostr protocol